29145979 has 2 divisors, whose sum is σ = 29145980. Its totient is φ = 29145978.

The previous prime is 29145929. The next prime is 29146049. The reversal of 29145979 is 97954192.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29145979 - 2¹⁵ = 29113211 is a prime.

It is not a weakly prime, because it can be changed into another prime (29145929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14572989 + 14572990.

It is an arithmetic number, because the mean of its divisors is an integer number (14572990).

Almost surely, 2^29145979 is an apocalyptic number.

29145979 is a deficient number, since it is larger than the sum of its proper divisors (1).

29145979 is an equidigital number, since it uses as much as digits as its factorization.

29145979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 46.

The square root of 29145979 is about 5398.7016031635. The cubic root of 29145979 is about 307.7463300386.

The spelling of 29145979 in words is "twenty-nine million, one hundred forty-five thousand, nine hundred seventy-nine".